Process for producing all trans-form polyprenols

Details Process for producing all trans-form polyprenols Process for producing all trans-form polyprenols

C - Chemistry, Metallurgy

07

C

C07C 33/02 (2006.01) C07C 17/16 (2006.01) C07C 29/00 (2006.01) C07C 29/10 (2006.01) C07C 29/44 (2006.01) C07C 41/30 (2006.01) C07C 43/176 (2006.01) C07C 67/293 (2006.01) C07C 69/63 (2006.01) C07D 303/22 (2006.01) C07D 309/12 (2006.01) C07F 7/18 (2006.01)

Patent

CA 2189193

An all trans-form polyprenol is obtained by; (A) subjecting a 3,7-dimethyl-6-hydroxy-7-octen-1-ol derivative to five-carbon lengthening reaction m-times which comprises reacting with 2-methyl-3,3-dimethoxy-1- butene and reducing the carbonyl group of the resulting compound, to obtain an allyl alcohol derivative; (B) halogenating the hydroxyl group of the allyl alcohol derivative to convert it to form an allyl halide derivative; (C) allowing the allyl halide derivative to react with a polyisoprenyl sulfone derivative to form a sulfonated polyprenol derivative; and (D) subjecting the sulfonated polyprenol derivative to desulfonylation to obtain the all trans-form polyprenol.

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